Curb stoning occurs when a dealer has an inferior or damaged car he can't sell on his lot. He gives the car to a salesperson to sell through the classifieds, as if it were a private party sale. A title history report will show that the title recently changed hands and could reveal that it is a lemon or an otherwise branded car. Be suspicious if the seller's name is different from the name on the title.

Title washing occurs when scam artists try to sell a salvage vehicle by concealing its history of damage from a buyer. Although a vehicle's title should show if it has been damaged or salvaged, some states do not document titles in the same way as other states. By moving a vehicle and its title through several different states, con artists try to "wash" out the title branding of salvage or damage. The best way to avoid this trick is to buy only from reputable dealers and/or to get a title guarantee in writing.